<!--
if (document.images)


 {
img1on = new Image();
img1on.src="images/nav/btn1on.gif";

img2on = new Image();
img2on.src="images/nav/btn2on.gif";

img3on = new Image();
img3on.src="images/nav/btn3on.gif";

img4on = new Image();
img4on.src="images/nav/btn4on.gif";

img5on = new Image();
img5on.src="images/nav/btn5on.gif";

img6on = new Image();
img6on.src="images/nav/btn6on.gif";

img7on = new Image();
img7on.src="images/nav/welcometext1.gif";

img8on = new Image();
img8on.src="images/nav/welcometext3.gif";


img1off=new Image();
img1off.src="images/nav/btn1.gif";

img2off=new Image();
img2off.src="images/nav/btn2.gif";

img3off=new Image();
img3off.src="images/nav/btn3.gif";

img4off=new Image();
img4off.src="images/nav/btn4.gif";

img5off=new Image();
img5off.src="images/nav/btn5.gif";

img6off=new Image();
img6off.src="images/nav/btn6.gif";

img7off=new Image();
img7off.src="images/nav/welcometext.gif";

img8off=new Image();
img8off.src="images/nav/welcometext4.gif";}

function imgOn(imgName) {
        if (document.images) {
  document[imgName].src = eval(imgName + "on.src");
        }
}
function imgOff(imgName) {
        if (document.images) {
            document[imgName].src = eval(imgName + "off.src");
        }
}
// -->